Classification
320 - Political science
987
330 - Economics
978
300 - Social sciences
266
340 - Law
192
900 - History & geography
172
380 - Commerce, communications & transportation
82
820 - English & Old English literatures
76
800 - Literature & rhetoric
55
306 - Culture & institutions
43
305 - Social groups
23
700 - The arts; fine & decorative arts
23
140 - Specific philosophical schools
21
970 - History of North America
21
304 - Factors affecting social behavior
17
576 - Genetics & evolution
17
301 - Sociology & anthropology
15
370 - Education
14
630 - Agriculture & related technologies
14
200 - Religion
12
250 - Christian orders & local church
12
331 - Labor economics
12
600 - Technology
11
973 - United States
10
610 - Medicine & health
9
809 - History, description & criticism
9
100 - Philosophy & psychology
8
170 - Ethics
8
620 - Engineering & allied operations
7
910 - Geography & travel
7
930 - History of ancient world to ca. 499
7
345 - Criminal law
6
364 - Criminology
6
658 - General management
6
260 - Social & ecclesiastical theology
5
280 - Christian denominations & sects
5
303 - Social processes
5
323 - Civil & political rights
5
333 - Economics of land & energy
5
342 - Constitutional & administrative law
5
780 - Music
5
210 - Philosophy & theory of religion
4
230 - Christianity & Christian theology
4
240 - Christian moral & devotional theology
4
297 - Islam, Babism & Bahai Faith
4
325 - International migration & colonization
4
338 - Production
4
341 - Law of nations
4
378 - Higher education
4
614 - Incidence & prevention of disease
4
840 - Literatures of Romance languages
4
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